body {
  margin: 0;
  display: flex;
  place-items: center;
  min-width: 320px;
  min-height: 100vh;
  width: 100vh;
  height: 100vh;
}

h1 {
  font-size: 3.2em;
  line-height: 1.1;
}


#app {
  margin: 0 auto;
  text-align: center;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  background-color: #f2f3f5;
  overflow: hidden;
}
